Nut



June 1927' w. N. Boo'rii Filed July 31. 1922 Game/ a Patented June 21, 1927.

UNITED STATES PATENT OFFICE.

NUT.

Application filed July 31, 1922. Serial No. 578,726.

The invention relates to the manufacture of acorn nuts and has for its object the production of acorn nuts at decreased cost 1n which a plug blank is secured to an end of the interiorly threaded apertured body blank and the external surfaces of the body'and p'ug blanks are subsequently finished. With this and other, objects in View, the invention resides in the novel features as more fully hereinafter set forth.

In the drawings:

Figure 1 is a section blank;

Fi re 2 is a section through the as- 1 semb ed body and plug blanks;

Figure 3 is a section through the plug blank; Figure 4 is a sectional elevation of the finished acorn nut; s

Figure 5 is a plan view thereof. 1 is the body blank having th polygonal ortion 2 and the annular flange 3 at its through the body inner end. 4 is an aperture extending as.

ially through the body .blankand terminating at the outer end thereof in the, en;

'25 larged portion 5, the portion of the aperture between the enlarged portion and the inner end of the body blank being threaded. 6 is an annularplug blank of a diameter to have a press fit in the enlarged portionb of the aperture at the outer end of the body blank. If desired, this plug blank maybe more. positively secured to the body blank as by spot welding.

1. An acorn nut comprising a body hav-.

ing an axial aperture therethrough with an enlarged portion in the outer end thereof, the portion of the wall of said aperture between the enlarged portion and. the inner end of said body being threaded, and a plug havingv a press fit in the en arged portion, the outer end of said plug being rounded and the outer surface of said body being rounded in continuation of said outer end.

. 2. In an acorn nut having an internally threaded inn'erjpnd portion and a relatively thick flat. plug baving a press fit 'into the outer endnof said body the outer ends of said plug and body bein g rounded in continuation of each othe'rf' In testimony whereof I aflix my signature.

WILLIAM N. BOOTH. 

